Bug 292781

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.0-1.2-desktop i686
Distribution: "openSUSE 12.1 (i586)"

-- Information about the crash:
- Custom settings of the application:While adding a widget accidently closed the plasma desktop shell and it is not able to reload the plasma desktop.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5868710 (LWP 2874))]

Thread 3 (Thread 0xafdfab70 (LWP 2978)):
#0  0xb6d27a74 in __pthread_mutex_unlock_usercnt () from /lib/libpthread.so.0
#1  0xb5ae2355 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0xb5ae27fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0xb6eca897 in QEventDispatcherGlib::processEvents (this=0xaf400468, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0xb6e9b44d in QEventLoop::processEvents (this=0xafdfa2b0, flags=...) at kernel/qeventloop.cpp:149
#5  0xb6e9b691 in QEventLoop::exec (this=0xafdfa2b0, flags=...) at kernel/qeventloop.cpp:201
#6  0xb6d9e75b in QThread::exec (this=0x882cd10) at thread/qthread.cpp:498
#7  0xb6e7c08d in QInotifyFileSystemWatcherEngine::run (this=0x882cd10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0xb6da1613 in QThreadPrivate::start (arg=0x882cd10) at thread/qthread_unix.cpp:331
#9  0xb6d24a7d in start_thread () from /lib/libpthread.so.0
#10 0xb60ed89e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa8effb70 (LWP 4046)):
#0  0xb6d28782 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0xb32734f9 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb33727a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0xb327353f in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb33727a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0xb6d24a7d in start_thread () from /lib/libpthread.so.0
#4  0xb60ed89e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5868710 (LWP 2874)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0xb6a815e8 in QGridLayoutItem::hasDynamicConstraint (this=0x91a1d98) at graphicsview/qgridlayoutengine.cpp:576
#8  0xb6a8264e in ensureDynamicConstraint (this=0x91f3578) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x91f3578) at graphicsview/qgridlayoutengine.cpp:1652
#10 0xb6a826f0 in QGridLayoutEngine::hasDynamicConstraint (this=0x91f3578) at graphicsview/qgridlayoutengine.cpp:1677
#11 0xb6a86ba2 in QGridLayoutEngine::sizeHint (this=0x91f3578, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0xb6a06ebf in QGraphicsGridLayout::sizeHint (this=0x91a67a0, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0xb6a33f11 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x91f3488, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0xb6a34924 in effectiveSizeHint (constraint=..., which=Qt::MinimumSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#15 QGraphicsLayoutItem::effectiveSizeHint (this=0x91a67a0, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:810
#16 0xb6a7732c in QGraphicsWidget::sizeHint (this=0x91f2688, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicswidget.cpp:743
#17 0xb6a33fd4 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x91f33b8, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0xb6a34924 in effectiveSizeHint (constraint=..., which=Qt::PreferredSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#19 QGraphicsLayoutItem::effectiveSizeHint (this=0x91f2698, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:810
#20 0xb09c08f1 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x91efdf8) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0xb09c2908 in SystemTray::TaskArea::addWidgetForTask (this=0x91efdf8, task=0x919f268) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0xb09c2caf in SystemTray::TaskArea::addTask (this=0x91efdf8, task=0x919f268) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0xb09c335d in SystemTray::TaskArea::qt_metacall (this=0x91efdf8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfbfc1b8) at /usr/src/debug/kde-workspace-4.7.2/build/plasma/generic/applets/systemtray/taskarea.moc:89
#24 0xb6ea27dd in metacall (argv=0xbfbfc1b8, idx=23, cl=QMetaObject::InvokeMetaMethod, object=0x91efdf8) at kernel/qmetaobject.cpp:237
#25 QMetaObject::metacall (object=0x91efdf8, cl=QMetaObject::InvokeMetaMethod, idx=23, argv=0xbfbfc1b8) at kernel/qmetaobject.cpp:232
#26 0xb6eb1710 in QMetaObject::activate (sender=0x84a8588, m=0xb09d0038, local_signal_index=0, argv=0xbfbfc1b8) at kernel/qobject.cpp:3287
#27 0xb09a2445 in SystemTray::Manager::taskAdded (this=0x84a8588, _t1=0x919f268) at /usr/src/debug/kde-workspace-4.7.2/build/plasma/generic/applets/systemtray/manager.moc:99
#28 0xb09a26e8 in SystemTray::Manager::addTask (this=0x84a8588, task=0x919f268) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/core/manager.cpp:87
#29 0xb09a288d in SystemTray::Manager::qt_metacall (this=0x84a8588, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfbfc338) at /usr/src/debug/kde-workspace-4.7.2/build/plasma/generic/applets/systemtray/manager.moc:86
#30 0xb6ea27dd in metacall (argv=0xbfbfc338, idx=7, cl=QMetaObject::InvokeMetaMethod, object=0x84a8588) at kernel/qmetaobject.cpp:237
#31 QMetaObject::metacall (object=0x84a8588, cl=QMetaObject::InvokeMetaMethod, idx=7, argv=0xbfbfc338) at kernel/qmetaobject.cpp:232
#32 0xb6eb1710 in QMetaObject::activate (sender=0x8322448, m=0xb09d009c, local_signal_index=0, argv=0xbfbfc338) at kernel/qobject.cpp:3287
#33 0xb09a2e35 in SystemTray::Protocol::taskCreated (this=0x8322448, _t1=0x919f268) at /usr/src/debug/kde-workspace-4.7.2/build/plasma/generic/applets/systemtray/protocol.moc:91
#34 0xb09aae36 in SystemTray::PlasmoidProtocol::addApplet (this=0x8322448, appletName=..., id=0, parent=0x91eed60) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#35 0xb09a21e9 in SystemTray::Manager::addApplet (this=0x84a8588, appletName=..., parent=0x91eed60) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/core/manager.cpp:110
#36 0xb09b6803 in SystemTray::Applet::checkDefaultApplets (this=0x91eed60) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/applets/systemtray/ui/applet.cpp:737
#37 0xb09b7bfc in SystemTray::Applet::qt_metacall (this=0x91eed60, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x919e868) at /usr/src/debug/kde-workspace-4.7.2/build/plasma/generic/applets/systemtray/applet.moc:91
#38 0xb6ea27dd in metacall (argv=0x919e868, idx=83, cl=QMetaObject::InvokeMetaMethod, object=0x91eed60) at kernel/qmetaobject.cpp:237
#39 QMetaObject::metacall (object=0x91eed60, cl=QMetaObject::InvokeMetaMethod, idx=83, argv=0x919e868) at kernel/qmetaobject.cpp:232
#40 0xb6ead305 in QMetaCallEvent::placeMetaCall (this=0x91a17c0, object=0x91eed60) at kernel/qobject.cpp:535
#41 0xb6eb482f in QObject::event (this=0x91eed60, e=0x91a17c0) at kernel/qobject.cpp:1226
#42 0xb6a77b84 in QGraphicsWidget::event (this=0x91eed60, event=0x91a17c0) at graphicsview/qgraphicswidget.cpp:1455
#43 0xb63b7f24 in notify_helper (e=0x91a17c0, receiver=0x91eed60, this=0x80e7970) at kernel/qapplication.cpp:4481
#44 QApplicationPrivate::notify_helper (this=0x80e7970, receiver=0x91eed60, e=0x91a17c0) at kernel/qapplication.cpp:4453
#45 0xb63bd2b2 in QApplication::notify (this=0x91a17c0, receiver=0x91eed60, e=0x91a17c0) at kernel/qapplication.cpp:4228
#46 0xb75e0681 in KApplication::notify (this=0x80dedc0, receiver=0x91eed60, event=0x91a17c0) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#47 0xb6e9c42e in QCoreApplication::notifyInternal (this=0x80dedc0, receiver=0x91eed60, event=0x91a17c0) at kernel/qcoreapplication.cpp:787
#48 0xb6e9fbf4 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:215
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x805b1c0) at kernel/qcoreapplication.cpp:1428
#50 0xb6e9fd3c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1321
#51 0xb6eca404 in sendPostedEvents () at kernel/qcoreapplication.h:220
#52 postEventSourceDispatch (s=0x80ebb48) at kernel/qeventdispatcher_glib.cpp:277
#53 0xb5ae1e2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#54 0xb5ae2560 in ?? () from /usr/lib/libglib-2.0.so.0
#55 0xb5ae27fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#56 0xb6eca837 in QEventDispatcherGlib::processEvents (this=0x80e5e68, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#57 0xb646bb1a in QGuiEventDispatcherGlib::processEvents (this=0x80e5e68, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#58 0xb6e9b44d in QEventLoop::processEvents (this=0xbfbfccf4, flags=...) at kernel/qeventloop.cpp:149
#59 0xb6e9b691 in QEventLoop::exec (this=0xbfbfccf4, flags=...) at kernel/qeventloop.cpp:201
#60 0xb6e9fdea in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#61 0xb63b5da4 in QApplication::exec () at kernel/qapplication.cpp:3755
#62 0xb1e667cb in kdemain (argc=1, argv=0x809c880) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#63 0x0804fbcd in _start ()

This bug may be a duplicate of or related to bug 277367.

Possible duplicates by query: bug 292431, bug 292119, bug 292013, bug 291859, bug 291307.

Reported using DrKonqi